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TROPICAL STORM GREG INTERMEDIATE ADVISORY NUMBER 10A
NATIONAL WEATHER SERVICE MIAMI FL
5 PM PDT TUE SEP 07 1999

...GREG NEAR CABO SAN LUCAS...HEAVY RAINS IN THE AREA...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR BAJA CALIFORNIA ON THE
PACIFIC COAST FROM CABO SAN LAZARO SOUTHWARD AND FROM LA PAZ 
SOUTHWARD ON THE GULF OF CALIFORNIA COAST. 

A TROPICAL STORM WATCH REMAINS IN EFFECT FROM NORTH OF CABO SAN
LAZARO TO PUNTA ABREOJOS ON THE PACIFIC COAST AND FROM NORTH OF LA
PAZ TO LORETO ON THE GULF OF CALIFORNIA COAST.

AT 5 PM PDT...0000Z...THE CENTER OF TROPICAL STORM GREG WAS
ESTIMATED NEAR LATITUDE 23.1 NORTH...LONGITUDE 110.1 WEST JUST WEST-
NORTHWEST OF CABO SAN LUCAS ON THE SOUTHERN END OF BAJA CALIFORNIA.
 
GREG IS MOVING TOWARD THE NORTHWEST NEAR 5 MPH...7 KM/HR...AND
A THIS GENERAL MOTION IS EXPECTED OVER THE NEXT 24 HOURS.
 
GREG IS WEAKENING AND MAXIMUM SUSTAINED WINDS HAVE DECREASED TO 
NEAR  55 MPH... 90 KM/HR...WITH HIGHER GUSTS.  FURTHER WEAKENING
IS LIKELY DURING THE NEXT 24 HOURS AS THE STORM MOVES OVER COOL
WATERS. 
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES ...140 KM
...MAINLY TO THE SOUTH OF THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB...29.55 INCHES.
 
RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH LOCALLY HIGHER AMOUNTS
...ARE POSSIBLE OVER THE WARNING AREA.  LOCALLY HEAVY RAINS ARE ALSO
CONTINUING OVER MAINLAND MEXICO BETWEEN LOS MOCHIS AND MANZANILLO.
OBSERVATIONS FROM THE SOUTHERN PORTION OF BAJA CALIFORNIA INDICATE
THAT MAIN IMPACT IS HEAVY RAIN AT THIS TIME. 

REPEATING THE 5 PM PDT POSITION...23.1 N...110.1 W.  MOVEMENT
TOWARD... NORTHWEST NEAR 5 MPH.  MAXIMUM SUSTAINED WINDS... 55 MPH. 
MINIMUM CENTRAL PRESSURE...1001 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
8 PM PDT.
 
AVILA
 
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